CN212321350U - Auxiliary tool for brinell hardness indentation measurement - Google Patents
Auxiliary tool for brinell hardness indentation measurement Download PDFInfo
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- CN212321350U CN212321350U CN201922295008.6U CN201922295008U CN212321350U CN 212321350 U CN212321350 U CN 212321350U CN 201922295008 U CN201922295008 U CN 201922295008U CN 212321350 U CN212321350 U CN 212321350U
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Abstract
The embodiment of the utility model discloses be used for brinell hardness indentation measuring auxiliary fixtures, include: the mounting block is provided with a containing hole for containing a workpiece to be tested, the lateral side of the mounting block is provided with a threaded hole, and the threaded hole penetrates through the outer side wall of the mounting block and the hole wall of the containing hole; and the positioning bolt is in threaded connection with the threaded hole, and the extending length of the positioning bolt relative to the threaded hole in the direction of the accommodating hole is adjustable. The tool solves the technical problems that in the prior art, the tool is small in application range, cannot be used for small-size measurement and is poor in measurement accuracy.
Description
Technical Field
The embodiment of the utility model provides a hardness test technical field, concretely relates to be used for brinell hardness indentation measuring auxiliary fixtures.
Background
The metal Brinell hardness test method is one of important means for evaluating and detecting the quality of metal material and product, and is widely applied to monitoring the quality of metallurgical product and heat treatment process. The accuracy and comparability of the test results are influenced by many factors, including the surface quality of the sample, the accuracy of the hardness tester, the measurement of the indentation diameter, and the tester, among which the measurement of the hardness indentation diameter is one of the very critical factors, and directly determines the accuracy of the measurement results.
The auxiliary fixtures that brinell hardness indentation that use at present measured need take off the sample from the objective table when measuring the indentation diameter, and measuring device below is arranged in to the sample, observes the sample indentation through the round hole of measuring device bottom. The aperture of the tool is a fixed size (generally 33mm), and the existing tool cannot be used for small-size samples; meanwhile, the aperture of the tool is fixed, so that the application range of the tool is limited, the tool cannot adapt to measurement of various size patterns, and relative displacement is easily generated between a measuring device and a sample in the measuring process, so that the measurement original point is lost, and the hardness value result is inaccurate.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a be used for brinell hardness indentation measuring auxiliary fixtures to it is less to solve among the prior art frock application scope, can't be used for small-size measuring technical problem.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
an auxiliary tool for Brinell hardness indentation measurement comprises:
the mounting block is provided with a containing hole for containing a workpiece to be tested, the lateral side of the mounting block is provided with a threaded hole, and the threaded hole penetrates through the outer side wall of the mounting block and the hole wall of the containing hole;
and the positioning bolt is in threaded connection with the threaded hole, and the extending length of the positioning bolt relative to the threaded hole in the direction of the accommodating hole is adjustable.
Furthermore, the device also comprises a base, and the mounting block is fixedly connected to the base.
Further, the mounting block is a square block, the threaded holes are at least formed in two opposite sides of the square block, and each threaded hole is internally provided with the positioning bolt.
Furthermore, the four side edges of the square block are all provided with the threaded holes, and the positioning bolts are correspondingly arranged in the threaded holes one by one.
Further, the accommodating hole is a circular through hole.
Further, the positioning bolt is a flat head bolt.
The utility model provides an auxiliary fixtures for brinell hardness indentation is measured, in the use, the device uses with the cooperation of reading microscope, passes through positioning bolt with the work piece that awaits measuring and fixes in holding the hole, according to the specification and size of the work piece that awaits measuring, adjusts each positioning bolt for the volume of advancing soon of screw hole to guarantee the original point centering of the work piece that awaits measuring, thereby make the work piece homoenergetic that awaits measuring of multiple specification be suitable for and obtain accurate detection. When a sample is installed, the auxiliary tool is arranged on the working platform, a workpiece to be measured is placed in the accommodating hole, the test surface of the workpiece to be measured faces the direction of the base, the four positioning bolts are adjusted to fix the sample at a proper position, after the sample is installed, the auxiliary tool is turned over, the test surface of the workpiece to be measured faces upwards, then the reading microscope is placed on the auxiliary tool, and the measurement of the indentation diameter can be quickly and accurately completed. Like this, this auxiliary fixtures guarantees the measurement of different specification work pieces through adjusting positioning bolt's locating position, and through reliable location, avoids the work piece that awaits measuring to take place the displacement in the measurement process, improves and measures the accuracy to it is less to have solved among the prior art frock application scope, can't be used for the small-size to measure, measures the poor technical problem of accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic structural diagram of an embodiment of the auxiliary tool provided by the present invention;
FIG. 2 is a top view of the auxiliary tool shown in FIG. 1;
FIG. 3 is an assembly view of a base and a mounting block of the auxiliary tool shown in FIG. 1;
fig. 4 is a schematic structural view of a flat head bolt in the auxiliary tool shown in fig. 1.
Description of reference numerals:
1-base
2-mounting block 21-accommodating hole 22-threaded hole
3-positioning bolt
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of an embodiment of an auxiliary tool provided in the present invention, and fig. 2 is a top view of the auxiliary tool shown in fig. 1.
In a specific embodiment, the utility model provides an auxiliary fixtures is used for the brinell hardness indentation to measure, is particularly useful for the hardness indentation measurement of small-size work piece, not only has comparatively extensive measuring range, and has improved the measurement accuracy.
The auxiliary tool comprises an installation block 2 and a positioning bolt 3, wherein the installation block 2 is provided with a containing hole 21 for placing a workpiece to be tested, the lateral side of the installation block 2 is provided with a threaded hole 22, and the threaded hole 22 penetrates through the outer side wall of the installation block 2 and the hole wall of the containing hole 21; the positioning bolt 3 is in threaded connection with the threaded hole 22, and the extension length of the positioning bolt 3 relative to the threaded hole 22 in the direction of the accommodating hole 21 is adjustable.
The tool further comprises a base 1, and as shown in fig. 3, the mounting block 2 can be fixedly connected to the base 1 through means such as bolt connection, welding and the like; the base 1 and the mounting block 2 are matched to play roles in supporting and axially positioning a workpiece to be tested, so that the test surface of a sample to be tested and the supporting surface of the base 1 of the reading microscope are guaranteed to be accurately kept on the same horizontal plane, and a plane space which is enough for the reading microscope to move when seeking an indentation is provided. The base 1 is a square plate structure, and the area of the base is larger than the size of the mounting block 2.
Specifically, installation piece 2 can be square piece, threaded hole 22 is seted up at least square piece's both sides are to the edge, every install respectively in the threaded hole 22 positioning bolt 3 to can realize adjustment and location on two relative sides, guarantee the stability of the measuring position of the work piece that awaits measuring.
The threaded holes 22 are formed in four sides of the square block, the positioning bolts 3 are correspondingly mounted in the threaded holes 22 one by one, and a positioning bolt 3 structure is arranged on each side, so that the position of a workpiece to be measured can be adjusted in four directions in the using process, and the adjusting range is further expanded; meanwhile, the workpiece to be detected is positioned at a plurality of positions, and the structural stability is further improved.
The positioning bolts 3 play a role in central positioning, and the height of the sample and the position of the sample relative to the center are adjusted through the four positioning bolts 3, so that the positioning bolts can be ensured to be suitable for samples with different heights and sizes.
In theory, the mounting block 2 is not limited to the square block form, but may be a circular block, and when the mounting block is a circular block, the threaded holes 22 for engaging with the positioning bolts 3 may be provided in plural and evenly arranged in the circumferential direction.
The receiving hole 21 is a circular through hole for better fitting with a workpiece to be measured. And, as shown in fig. 4, the positioning bolt 3 is a flat head bolt in order to reduce damage to the surface of the workpiece when positioning against the workpiece. The flat-head bolt is abutted against the end part of the workpiece to be detected, and a polyurethane protection pad or a spongy cushion and the like can be wrapped on the flat-head bolt to further protect the workpiece.
In the above-mentioned embodiment, the utility model provides an auxiliary fixtures for brinell hardness indentation is measured, in the use, the device uses with the cooperation of reading microscope, will await measuring the work piece and pass through positioning bolt 3 to be fixed in holding hole 21, according to the specification and size of the work piece that awaits measuring, adjust each positioning bolt 3 for the precession volume of screw hole 22 to guarantee the original point centering of the work piece that awaits measuring, thereby make the work piece homoenergetic that awaits measuring of multiple specification be suitable for and obtain accurate detection. When a sample is installed, the auxiliary tool is arranged on the working platform, a workpiece to be measured is placed in the accommodating hole 21, the test surface of the workpiece to be measured faces the direction of the base 1, the four positioning bolts 3 are adjusted to fix the sample at a proper position, after the sample is installed, the auxiliary tool is turned over, the test surface of the workpiece to be measured faces upwards, then the reading microscope is placed on the auxiliary tool, and measurement of the indentation diameter can be completed quickly and accurately. The auxiliary device is used for better ensuring that the inspection surface of the sample and the base 1 supporting surface of the reading microscope are positioned on the same horizontal plane, so that the indentation edge is clearer, inspectors can quickly and accurately complete indentation measurement, the working efficiency is improved, the test error is reduced, and the accuracy of data is further ensured.
Like this, this auxiliary fixtures guarantees the measurement of different specification work pieces through adjusting positioning bolt's locating position, and through reliable location, avoids the work piece that awaits measuring to take place the displacement in the measurement process, improves and measures the accuracy to it is less to have solved among the prior art frock application scope, can't be used for the small-size to measure, measures the poor technical problem of accuracy.
The above embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above is only the embodiments of the present invention, and is not intended to limit the protection scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made on the basis of the technical solutions of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides an auxiliary fixtures that is used for brinell hardness indentation to measure which characterized in that includes:
the mounting block (2) is provided with a containing hole (21) for containing a workpiece to be tested, the lateral side of the mounting block (2) is provided with a threaded hole (22), and the threaded hole (22) penetrates through the outer side wall of the mounting block (2) and the hole wall of the containing hole (21);
the positioning bolt (3) is in threaded connection with the threaded hole (22), the protruding length of the positioning bolt (3) relative to the threaded hole (22) towards the accommodating hole (21) is adjustable,
the positioning bolt (3) is a flat-head bolt, and a polyurethane protection pad or a spongy cushion wraps the end, abutted against the workpiece to be detected, of the positioning bolt (3).
2. The auxiliary tool according to claim 1, further comprising a base (1), wherein the mounting block (2) is fixedly connected to the base (1).
3. The auxiliary tool according to claim 1, characterized in that the mounting block (2) is a square block, the threaded holes (22) are formed in at least two opposite edges of the square block, and the positioning bolt (3) is mounted in each threaded hole (22).
4. The auxiliary tool according to claim 3, wherein the threaded holes (22) are formed in four side edges of the square block, and the positioning bolts (3) are correspondingly mounted in the threaded holes (22).
5. Auxiliary tooling according to claim 1, characterized in that said housing hole (21) is a circular through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922295008.6U CN212321350U (en) | 2019-12-19 | 2019-12-19 | Auxiliary tool for brinell hardness indentation measurement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922295008.6U CN212321350U (en) | 2019-12-19 | 2019-12-19 | Auxiliary tool for brinell hardness indentation measurement |
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| Publication Number | Publication Date |
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| CN212321350U true CN212321350U (en) | 2021-01-08 |
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| CN201922295008.6U Active CN212321350U (en) | 2019-12-19 | 2019-12-19 | Auxiliary tool for brinell hardness indentation measurement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871986A (en) * | 2018-09-30 | 2018-11-23 | 广西玉柴机器股份有限公司 | A kind of brineling auxiliary device and its measurement method |
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2019
- 2019-12-19 CN CN201922295008.6U patent/CN212321350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871986A (en) * | 2018-09-30 | 2018-11-23 | 广西玉柴机器股份有限公司 | A kind of brineling auxiliary device and its measurement method |
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